自主学习(to study by ourselves)
      beijing met with sars this spring. we worried about our study because we could not go to school. classroom in the air helped us and we could study at home without worrying. we also knew the importance of learning by ourselves.
      “非典”袭击了北京，我们学生不能到学校上学，我们都很担心我们的学习，空中课堂解除了我们的顾虑，让我们在家安心地学习，我们也知道了自主学习的重要性。